CN215812176U - Spring tension testing device of bicycle ladder - Google Patents
Spring tension testing device of bicycle ladder Download PDFInfo
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- CN215812176U CN215812176U CN202120654716.9U CN202120654716U CN215812176U CN 215812176 U CN215812176 U CN 215812176U CN 202120654716 U CN202120654716 U CN 202120654716U CN 215812176 U CN215812176 U CN 215812176U
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Abstract
The utility model relates to a spring tension testing device of a bicycle ladder, which consists of a testing table and testing units, wherein the testing units are uniformly distributed on the testing table at intervals; the test unit include preceding mount pad, back mount pad, test removal seat, test fixing base, application of force mechanism, interval adjustment mechanism and guiding mechanism mount pad and back mount pad before both ends are installed relatively around the testboard, install in the place ahead of back mount pad and remove the seat by application of force mechanism driven test, install the test fixing base of adjusting the installation on interval adjustment mechanism at the rear of mount pad in the front, the test remove the seat and the test fixing base all install on guiding mechanism test seat and test fixing base on homogeneous phase to installing spring mounting. The utility model has scientific and reasonable structural design, and has the advantages of convenient operation, labor saving, improved test efficiency and test precision, and easy realization.
Description
Technical Field
The utility model belongs to the field of bicycle accessory testing equipment, relates to a spring testing device, and particularly relates to a spring tension testing device of a bicycle ladder.
Background
When parking a bicycle, it is usually supported by a step mounted at the rear thereof. The traditional vehicle ladder comprises a hinged support, a spring and a supporting rod, wherein the hinged support is hinged with the top end of the supporting rod, and the hinged support is connected with the outer side surface of the supporting rod through the spring to realize the swinging action of the supporting rod.
The quality of the spring determines whether the support rod can stably support the bicycle. Among the existing test equipment, do not have the equipment to bicycle ladder spring specially, but need assemble the back with whole ladder, whether reach standard through the tensile force to whole ladder of test aassessment spring. The method ensures that the testing precision is lower, and the springs to be tested need to be assembled manually in each test, which not only takes labor and labor, but also greatly reduces the testing efficiency.
Disclosure of Invention
The utility model aims to provide a spring tension testing device of a bicycle ladder, which has scientific and reasonable structural design, is convenient to operate, saves labor and people, improves the testing efficiency and the testing precision and is easy to realize.
The technical problem to be solved by the utility model is realized by the following technical scheme:
the utility model provides a spring tension testing arrangement of bicycle ladder which characterized in that: the test bed is composed of a test bed and test units, wherein the test units are uniformly distributed on the test bed at intervals; the test unit include preceding mount pad, back mount pad, test removal seat, test fixing base, application of force mechanism, interval adjustment mechanism and guiding mechanism mount pad and back mount pad before both ends are installed relatively around the testboard, install in the place ahead of back mount pad and remove the seat by application of force mechanism driven test, install the test fixing base of adjusting the installation on interval adjustment mechanism at the rear of mount pad in the front, the test remove the seat and the test fixing base all install on guiding mechanism test seat and test fixing base on homogeneous phase to installing spring mounting.
And the force application mechanism mainly comprises an air cylinder and a tension meter, the air cylinder is arranged behind the rear mounting seat, a cylinder rod of the air cylinder stretches in a movable sleeve arranged at the upper end of the rear mounting seat, the tension meter is arranged on the cylinder rod of the air cylinder, and the front end of the cylinder rod is connected with the rear end of the test movable seat.
And the distance adjusting mechanism mainly comprises a screw rod, a screw rod mounting seat and an adjusting hand wheel, wherein the bottom of the front mounting seat is provided with the front screw rod mounting seat, the rear screw rod mounting seat is oppositely arranged on a rear-end test bench of the front screw rod mounting seat, the screw rod is arranged between the front screw rod mounting seat and the rear screw rod mounting seat, the adjusting hand wheel is fixedly arranged at the front end of the screw rod, and the bottom of the test fixing seat is connected onto the screw rod through a screw rod sleeve.
And the two ends of the interval adjusting mechanism are respectively provided with a guide mechanism, the guide mechanism consists of a guide seat and a guide rod, the guide rod is arranged on the guide seat, and the test moving seat and the test fixed seat are movably arranged on the guide rod.
And the spring fixing part is composed of a nut and a screw, mounting grooves are formed in the opposite positions of the movable fixing seat and the test fixing seat, concentric nuts are welded at the notches of the mounting grooves, and the screw is arranged on the nut in a threaded mode.
And the screw rod part of the screw is a polished rod at the upper end, the lower end of the screw is provided with a threaded structure, the polished rod is provided with a limiting groove, and the threaded part is arranged in the nut.
The utility model has the advantages and beneficial effects that:
1. this spring tension test device of bicycle ladder can realize the tension test function of the different specification springs of multiunit, through the tensile test alone of spring, has improved the measuring accuracy, during the use, with its direct mount on the spring mounting can, simple and convenient has saved the manpower greatly, has improved efficiency of software testing.
2. The spring tension testing device for the bicycle ladder has the advantages of scientific and reasonable structural design, convenience in operation, labor saving, improvement in testing efficiency and testing precision and easiness in implementation, and is highly innovative.
Drawings
FIG. 1 is a schematic structural view (top view) of the present invention;
FIG. 2 is a schematic view of a spring retainer according to the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the spring fixing member of the present invention.
Description of reference numerals:
1-test unit, 2-test bench, 3-cylinder, 4-movable sleeve, 5-rear mounting seat, 6-tension meter, 7-test moving seat, 8-screw rod, 9-test fixing seat, 10-guide rod, 11-adjusting hand wheel, 12-front mounting seat, 13-mounting groove, 14-screw, 15-nut and 16-limit groove.
Detailed Description
The present invention is further illustrated by the following specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the utility model.
The utility model provides a spring tension testing arrangement of bicycle ladder which innovation part lies in: the device comprises a test bench 2 and test units 1, wherein the test units are uniformly distributed on the test bench at intervals; the test unit include preceding mount pad 12, back mount pad 5, test removal seat 7, test fixing base 9, application of force mechanism, interval adjustment mechanism and guiding mechanism mount pad and back mount pad before both ends are installed relatively around the testboard, install in the place ahead of back mount pad and remove the seat by application of force mechanism driven test, install the test fixing base of adjusting the installation on interval adjustment mechanism at the rear of mount pad in the front, the test remove the seat and test the fixing base and all install on guiding mechanism test seat and test fixing base on homogeneous phase to installing spring mounting.
The force application mechanism mainly comprises an air cylinder 3 and a tension meter 6, the air cylinder is installed behind the rear installation seat, a cylinder rod of the air cylinder stretches in a movable sleeve 4 arranged at the upper end of the rear installation seat, the tension meter is installed on the cylinder rod of the air cylinder, and the front end of the cylinder rod is connected with the rear end of the test moving seat.
The interval adjusting mechanism mainly comprises a lead screw 8, a lead screw mounting seat and an adjusting hand wheel 11, wherein the bottom of the front mounting seat is provided with the front lead screw mounting seat, the rear lead screw mounting seat is oppositely arranged on a rear-end test bench of the front lead screw mounting seat, the lead screw is arranged between the front lead screw mounting seat and the rear lead screw mounting seat, the adjusting hand wheel is fixedly arranged at the front end of the lead screw, and the bottom of the test fixing seat is connected onto the lead screw through a lead screw sleeve.
And the two ends of the interval adjusting mechanism are respectively provided with a guide mechanism, the guide mechanism consists of a guide seat and a guide rod 10, the guide rod is arranged on the guide seat, and the test movable seat and the test fixed seat are movably arranged on the guide rod.
The spring fixing piece is composed of a nut 15 and a screw 14, mounting grooves 13 are formed in opposite positions on the movable fixing seat and the test fixing seat, concentric nuts are welded at notches of the mounting grooves, and the screw is mounted on the nut in a threaded mode. During assembly, the hanging ring of the spring is arranged on the screw rod of the screw in a penetrating mode and then screwed on the nut, and the end portion of the spring is fixed.
Still can be with the screw rod design of screw for the upper end polished rod, the lower extreme sets up the form of screw thread, sets up spacing recess 16 in polished rod department, during the assembly, can make the link of spring spacing in spacing recess, when preventing that pulling force from relaxing, the link drunkenness on the screw rod guarantees the stability of work.
The testing device continuously stays in a stretching state and a resetting state through reciprocating stretching of the spring, and the stretching motion simulates the situation in the actual use process.
When the device is used, the distance between the test fixed seat and the test movable seat (in the extending state of the cylinder rod of the air cylinder) is adjusted according to the length of the tested spring, then the hanging rings at the two ends of the spring are respectively fixed on the adjustment test fixed seat and the test movable seat through the spring fixing parts, then the switch is turned on, the stretching times and the stretching force are recorded by a system along with the stretching of the cylinder rod of the air cylinder, and when the set stretching times are reached, the stretching force of the spring is still in the specified range, so that the spring is qualified, and the stretching requirement is met.
Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the disclosure of the embodiments and the accompanying drawings.
Claims (6)
1. The utility model provides a spring tension testing arrangement of bicycle ladder which characterized in that: the test bed is composed of a test bed and test units, wherein the test units are uniformly distributed on the test bed at intervals; the test unit include preceding mount pad, back mount pad, test removal seat, test fixing base, application of force mechanism, interval adjustment mechanism and guiding mechanism mount pad and back mount pad before both ends are installed relatively around the testboard, install in the place ahead of back mount pad and remove the seat by application of force mechanism driven test, install the test fixing base of adjusting the installation on interval adjustment mechanism at the rear of mount pad in the front, the test remove the seat and the test fixing base all install on guiding mechanism test seat and test fixing base on homogeneous phase to installing spring mounting.
2. The spring tension testing device of a bicycle ladder of claim 1, wherein: the force application mechanism mainly comprises an air cylinder and a tension meter, the air cylinder is arranged behind the rear mounting seat, a cylinder rod of the air cylinder stretches in a movable sleeve arranged at the upper end of the rear mounting seat, the tension meter is arranged on the cylinder rod of the air cylinder, and the front end of the cylinder rod is connected with the rear end of the test moving seat.
3. The spring tension testing device of a bicycle ladder of claim 1, wherein: the interval adjusting mechanism mainly comprises a lead screw, a lead screw mounting seat and an adjusting hand wheel, wherein the bottom of the front mounting seat is provided with the front lead screw mounting seat, the rear lead screw mounting seat is oppositely arranged on a rear-end test bench of the front lead screw mounting seat, the lead screw is arranged between the front lead screw mounting seat and the rear lead screw mounting seat, the adjusting hand wheel is fixedly arranged at the front end of the lead screw, and the bottom of the test fixing seat is connected onto the lead screw through a lead screw sleeve.
4. The spring tension testing device of a bicycle ladder of claim 1, wherein: the two ends of the distance adjusting mechanism are respectively provided with a guide mechanism, the guide mechanisms are composed of guide seats and guide rods, the guide rods are installed on the guide seats, and the test moving seat and the test fixing seat are movably installed on the guide rods.
5. The spring tension testing device of a bicycle ladder of claim 1, wherein: the spring fixing piece is composed of a nut and a screw, mounting grooves are formed in the positions, opposite to the movable fixing seat and the test fixing seat, of the movable fixing seat, concentric nuts are welded to the notches of the mounting grooves, and the screw is installed on the nut in a threaded mode.
6. The spring tension testing device of a bicycle ladder of claim 5, wherein: the screw rod part of the screw is an upper end polished rod, the lower end of the screw is provided with a threaded structure, the polished rod is provided with a limiting groove, and the threaded part is installed in the nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654716.9U CN215812176U (en) | 2021-03-31 | 2021-03-31 | Spring tension testing device of bicycle ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120654716.9U CN215812176U (en) | 2021-03-31 | 2021-03-31 | Spring tension testing device of bicycle ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215812176U true CN215812176U (en) | 2022-02-11 |
Family
ID=80162809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120654716.9U Active CN215812176U (en) | 2021-03-31 | 2021-03-31 | Spring tension testing device of bicycle ladder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215812176U (en) |
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2021
- 2021-03-31 CN CN202120654716.9U patent/CN215812176U/en active Active
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